Medium coat, red merle Koolie is an Australian dog breed. The Koolie is a working or herding dog which has existed in Australia since the early century when it was bred from imported British working dogs.
Shikoku by SaNNaS on deviantART. This breed goes back to medium-sized dogs that existed in Japan in ancient times. The Shikoku was bred as a hunting dog, mainly for hunting boar in the mountainous districts of Kochi Prefecture.
Some sheeba dogs seem to et to medium dog size, others stay so mini!
Swedish Lapphund - The oldest of the native Swedish breeds with a history dating back thousands of years. Believed to be descended from the ancient Nordic spitz, it is one of the oldest known breeds in existence today.
Alaskan Malamute one of the oldest known breeds is a generally a large breed of domestic dog (Canis lupus familiaris) originally bred for use hauling heavy freight because of their strength and endurance, and later an Alaskan sled dog